Source record
Effects of vegetarian diets on blood lipids: a systematic review and meta-analysis of randomized controlled trials
Fenglei Wang, Jusheng Zheng, Bo Yang, Jiajing Jiang, Yuanqing Fu, Duo Li (2015). Journal of the American Heart Association.
- Last reviewed
- Reviewer
- Editorial placeholder
- Status
- sample
Sample data. The figures and sources on this page are demonstration records showing how evidence will be presented. They are approximate and have not yet been through our review process. Read about how we will verify evidence.
Key findings
- Vegetarian diets lowered total and LDL cholesterol in randomised trials compared with control diets.
Record
- Source type
- Meta Analysis
- Study type
- Randomised Controlled Trial
- Topics
- Heart & blood vessels
- Geography
- Multiple countries
- Sample size
- 11 randomised trials
- Funding & conflicts
- Not recorded.
- Source quality
- Moderate evidence
Limitations
- Trials were short and small; outcomes were cholesterol levels rather than heart attacks.
Claims this source supports
HealthModerate evidence
Vegetarian and vegan diets are associated with lower cholesterol and around a quarter lower relative risk of ischaemic heart disease.
People eating plant-based diets have fewer heart attacks on average. Trials show these diets lower cholesterol, which supports a causal link.